Datasheet Analog Devices LTC3851AMPMSE#PBF — Datenblatt

LTC3851A
Synchronous
Step-Down Switching
Regulator Controller
Description Features Wide VIN Range: 4V to 38V Operatio R
SENSE or DCR Current Sensing
n ±1% Output Voltage Accuracy
n Phase-Lockable Fixed Frequency: 250kHz to 750kHz
n Dual N-Channel MOSFET Synchronous Drive
n Very Low Dropout Operation: 99% Duty Cycle
n Adjustable Output Voltage Soft-Start or Tracking
n Output Current Foldback Limiting
n Output Overvoltage Protectio 5V Internal Regulator
n OPTI-LOOP® Compensation Minimizes C
OUT
n Selectable Continuous, Pulse-Skipping or
Burst Mode® Operation at Light Loads
n Low Shutdown I : 20µA
Q
n V
Range:
0.8V
to 5.5V …